11992441 has 4 divisors (see below), whose sum is σ = 12054772. Its totient is φ = 11930112.

The previous prime is 11992433. The next prime is 11992447. The reversal of 11992441 is 14429911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6610041 + 5382400 = 2571^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 11992441 - 2³ = 11992433 is a prime.

It is a super-2 number, since 2×11992441² = 287637282276962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11992447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30876 + ... + 31261.

It is an arithmetic number, because the mean of its divisors is an integer number (3013693).

Almost surely, 2^11992441 is an apocalyptic number.

It is an amenable number.

11992441 is a deficient number, since it is larger than the sum of its proper divisors (62331).

11992441 is an equidigital number, since it uses as much as digits as its factorization.

11992441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62330.

The product of its digits is 2592, while the sum is 31.

The square root of 11992441 is about 3463.0103955951. The cubic root of 11992441 is about 228.8947667748.

The spelling of 11992441 in words is "eleven million, nine hundred ninety-two thousand, four hundred forty-one".